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AX2016A

AXElite
Part Number AX2016A
Manufacturer AXElite
Description Boost
Published Jul 17, 2014
Detailed Description AX2016/A 40V, 1.7A, Boost for 10 White LED Driver  GENERAL DESCRIPTION The AX2016/A is a step-up converter designed for...
Datasheet PDF File AX2016A PDF File

AX2016A
AX2016A

Overview
AX2016/A 40V, 1.
7A, Boost for 10 White LED Driver  GENERAL DESCRIPTION The AX2016/A is a step-up converter designed for driving up to 10 series white LEDs for backlighting application.
The AX2016/A uses current mode, 1MHZ fixed frequency architecture to regulate the LED current, which is set through an external current sense resistor.
Its low 300mV feedback voltage reduces power loss and improves efficiency.
The OV pin monitors the output voltage and turns off the converter if an over-voltage condition is present due to an open circuit condition.
The AX2016/A includes under-voltage lockout, current limiting and thermal shutdown protection preventing damage in the event of an output overload.
The driver is available in small 6-pin TSOT-23 and 8-pin TDFN (2mm x 2mm) packages.
 FEATURES 2.
5V to 5.
5V operating input voltage range Drives up to 10 series White LEDs 1MHz Fixed Switching Frequency Wide range for PWM dimming •yÑb€ (200Hz to 200KHz) R ` Internal 1.
7A switching Ûmwcurrent limit om V Over Voltage Protection (OVP) h.
c tec Internal Soft-start Function o f .
go shutdown protection Current limit and Thermal w w Under voltage w Lockout Available in the 6-pin TSOT-23 and 8-pin TDFN Packages 1/11 Axelite Confidential Materials, do not copy or distribute without written consent.
AX2016/A  BLOCK DIAGRAM VCC EN UVLO Reference 1.
238V Soft Start Enable Logic 10ms OVP Shutdown OV 300mV FB Error Amplifier Summing Comparator Thermal Shutdown SW Control and Driver Logic N-MOS Oscillator 1MHz GND Slope Compensation Current Sense  PIN ASSIGNMENT The packages of AX2016/A are TSOT-23-6L and TDFN-8L; the pin assignment is given by: GND 1 VCC 2 (GND) 8 7 SW NC FB GND OV 3 EN 4 VÛmw`R•yÑb€ 6 5 Name GND VCC OV EN Description Ground Pin Power Input Pin OVP Sense Pin Enable with Dimming Pin; Internal Pull-Low; Logic High Active Feedback Pin; Put a Resistor to GND to Setting the Current No Connect Pin Switch Output Pin TDFN-8L (2*2) (Top View) w.
goftechm SW G...


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